"I think there's assumptions made that because the climate is warming, that that necessarily is a bad thing," the EPA chief said. "Is it an existential threat? Is it something that is unsustainable? Or what kind of effect or harm is this going to have? We know that humans have most flourished during times of, what, warming trends?"

But with America's coal interests and Rick Perry suggesting that fossil fuel production could help stop sexual assault, the theory that a hotter planet might actually be a good thing hasn't gone away. Trump basically made the point himself back when the bomb cyclone hit.